You can buy 'O' rings at Most industrial supply companies. A lawnmower shop will also have some, if you need something real small. If all else fails, you can make one out of a wide rubber band. Put a hole in it to fit around where it goes and trim it to fit with a finger nail clipper. I've used this method to fix a chipper and a lawnmower carburator.

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Not sure which O ring you're talking about. I recently lost one of the two tiny O rings that seal the stream pipe - it disappeared when I removed the pipe to soak it - necessary from time to time, even with regular cleaning - I guess I just didn't notice it was still in the pipe header, and flushed it down the sink! Anyway, as you say MR were completely useless - took ages to reply to a request for info, and then almost denied all knowledge of the machine. However, my local branch of B&Q sold me a pack of various different sized O rings, and one of these did the trick. Nil desperandum!

When replacing the o-rings inside the boiler the operation should be carried out by a certified technician for these machines. When the boiler is dismantled it is recommended that all o-rings and springs in the boiler be replaced as these are ware parts. When the boiler is apart this is also an opportune time to do some manual cleaning to the internal parts. This is an easy task but as I said before must be carried out by a certified technician. Special tools not readily available to homeowners are required to rebuild the boiler once dismantled. I am sure there are many repair facilities around but location wise I am not sure. I have heard that espressozone.com are nice and will do repairs. Perhaps try them. You may also try contacting a lavazza rep and they may be able to point you in the right direction.

This just the Teflon pipe which a lock in metallic union by only a clip and seal by one 'o' ring. So if you disassemble the machine by removing first the top panel and work the machine you will very easily see the leaking point and you may just want to put the clip back in place. If you will ever need any spare parts now or in future you can visits partsguru.com

So if your good in DIY then we strongly advice to go on you will realise that is more easy that you imagine. Just be extra safe when you will work without the top coven since there are live wires with 120V but if you are extra safe you don't have to worry. You can just look when the plug is on and if you want to touch anything remove the plug first. You can do this million of times but never touch anything with plug on.

I have found the two parts mentioned in my previous Email on a webpage other than yours, however I have not ordered the parts at this time. If you have the parts in stock, let me know the price.
Once I receive the parts and replace them, I will know for sure if my troubleshooting is correct.

I just had the same problem on my second MCP. This time I was able to trace it to the little O ring or gasket just inside the water inlet where the tank plugs in. I'm in the process of looking for a replacement part.

Sorry for the delay in response but I just read your complaint. I had similar water leakage issues and mistakenly replaced a bunch of stuff without stopping the leaks, until I discovered the real problem; the O ring seal that the water reservoir sits in located under the reservoir where it mates with the machine. Easy to replace and cheap. No leakage problems since I both replaced the O ring and started the routine of not taking off the water reservoir to fill it, but leaving it in place and filling it from a bottle. That technique does not any wear at all on the seal ring and so it won't leak in the future.
The item is called a "Saeco-water inlet valve gasket" , has a part number of NM05.006 and costs $7.50. I purchased it from Services Unlimited located at 650 N. Cannon Ave. WH-305, Lansdale PA 19446; phone 215-361-7000 Fax 215-361-7434, e mail granita@rcn.com but you can find it at any authorized dealer, I am sure. I ordered two and with shipping the cost came to $21.50.
You can request a fax with a parts diagram and listing, which I found most helpful in diagnosing issues and see where stuff goes..
Hope this helps you..

Mine started leaking too. I took the machine apart and cleaned everything. (if your at all mechanically minded it is very, very simple to take apart). Still leaked. I ended up leaving the top off the water dispenser and the leaking water goes right back into it! Don't know if your leak is that "lucky". Just thought I would share.

Hi there,
You will need to take the machine apart completely as there are more gaskets inside the group head. You can buy an old group service kit at www.theespressoshop.co.uk for about £20 and it comes with an exploded diagram so you can see what goes where. Don't worry there is no technical mechanical solenoid like the last comment stated. I repair these machines for a living and all it needs is a good service.

Dear Greengirl, I am have the same problem with my machine, and the problem is the o rings, they will need replaced. I have tried to source the o rings here in Dubai, but no joy. Dualit in the UK should have the spares. unfortunately they wont send them outside the UK.